Santa Cruz Breakwater Lighthouse, is a lighthouse in California, United States, in the Santa Cruz Small Craft Harbor in Santa Cruz, California. The lighthouse is known as Walton Lighthouse because Charles Walton, a local businessman, contributed a significant part of the construction cost in memory of his late brother Derek Walton, who was a merchant seaman. The Walton lighthouse was built in 2001 with donations including $60,000 from Charles Walton.